Clue\React\Buzz\Browser::submit PHP Метод

    public function submit($url, array $fields, $headers = array(), $method = 'POST')
    {
        $headers['Content-Type'] = 'application/x-www-form-urlencoded';
        $content = http_build_query($fields);
        return $this->send($this->messageFactory->request($method, $url, $headers, $content));
    }